Jasco 95553 2.5mm to 3.5mm Stereo Adapter by GE

Cell phones offer MP3 functions but, as cellular telephones, have a different size Headphone jack than an MP3 player. It has a 2.5mm jack while an MP3 player has 3.5mm jack. Also MP3 is Stereo and older cell phones were not stereo compatible. This Adapter lets you use any MP3 compatible headphone/earphone for stereo listening with your cell's MP3 player or built-in radio. Get the best Sound possible with your cellular phone with your choice earphone by using this adapter. Using this little inch-long adapter lets you choose any corded MP3-compatible stereo headphone to listen to MP3 or WMA files from your cell phone. This opens lots of choices to get better sound and comfort when using your cell's Audio and Video capabilities.

Standard 3.5 mm stereo Input for use with stereo audio headphones

2.5mm Output plug fits into your cellular phone

Simple, passive design doesn't add any more length to your cord

Compatible for use with all stereo cellular phones that have a 2.5mm plug connector